NSN 2805-00-278-1888

Part Details | PISTON RING

2805-00-278-1888 A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.

Alternate Parts: 43149A010, 43149A010, 2805-00-278-1888, 00-278-1888, 2805002781888, 002781888

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-278-188811459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

INSIDE COUNTERBORE, STRAIGHT FACE

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 2805-00-278-1888
Part Number Cage Code Manufacturer
43149A0101ML14BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS
43149A01028265HERCULES ENGINE CO INC
Technical Data | NSN 2805-00-278-1888
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE6 INSIDE COUNTERBORE, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.1640 INCHES MINIMUM AND 0.1700 INCHES MAXIMUM
OVERALL WIDTH0.1865 INCHES NOMINAL
STANDARD BORE DIAMETER4.000 INCHES
BORE DIAMETER OVERSIZE0.010 INCHES